Programming VIP

Inverted index At present, the mainstream index technology of full-text search engine is the way of inverted index. The traditional way to save data is: record → word. The way of storing data in inverted index is: word → record. The inverted index is constructed based on word segmentation technology. When each record saves data, it w ...

Introduction: ES is a non relational database of distributed documents (a document is similar to a single record in a relational database). Each field of the document will be indexed by default, and the data of each field can be searched. It can be horizontally extended to hundreds of servers to store and process PB level data. ES is based on ...

Elasticsearch Elastic search (es) is an open source, distributed, RESTful interface full-text search engine based on Lucene. Elasticsearch is also a distributed document database, in which each field is indexed and searchable. It can be extended to hundreds of servers to store and process PB level data. It can store, search and analyze a large ...

  § 01 search for heartache   when you have more blog diaries, you really can't remember the title clearly. But what is the purpose of blogging? Is to help you recover the information you wrote down when you need it. However, looking at the search interface of CSDN for bloggers, I feel heartache every time I apply it ...

1, Version and correspondence Plugin version Branch version 7.x 7.x 6.x 6.x 2, Installation steps 1. Download and install the Plugin Release version corresponding to ES a. download the corresponding release installation package. The latest release package can be downloaded from baidu disk (link: Baidu network disk, please ente ...

Replica fragmentation request process, function entry: industriesclusterstateservice createOrUpdateShards org.elasticsearch.indices.cluster.IndicesClusterStateService private void createOrUpdateShards(final ClusterState state) { RoutingNode localRoutingNode = state.getRoutingNodes().node(state.nodes().getLocalNodeId()); if ...

brief introduction An open source search engine based on Apache Lucene(TM). Due to the complexity of using Lucene, ElasticSearch aims to make full-text search simple through RESTful API. Basic concepts 1. Near real time NRT When full-text search is not true, there is usually a delay. Different search engines have a core search delay time. T ...

This article was first published in the official account of the geek barracks. Original addressThe best way to learn elastic search (hereinafter referred to as ES) is to practice more. In this series of tutorials, I will use the small project "online bookstore" throughout each chapter. The background of this project is very simple. Ea ...

1, Introduction With the help of the official website Introduction to Elasticsearch You know, for search (and analysis) Elasticsearch is the core distributed search and analysis engine of Elastic Stack. Logstash and Beats help collect, aggregate and enrich your data and store it in elasticsearch. With Kibana, you can interactively explore, ...

1, ik remote Thesaurus The previous article explained ik as a whole, including the remote dynamic thesaurus. However, the previous article is based on nginx + static txt file. After modifying the file with nginx, the last modified attribute is automatically added. This method is also officially recommended: Officials recommend using another t ...